Quad tiltrotor



FIG. 1 is a top view of a quad tiltrotor of our new design having rotors in the takeoff/landing/hovering position;

FIG. 2 is a bottom view thereof;

FIG. 3 is a port side elevation view thereof;

FIG. 4 is a starboard side elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a top view of a quad tiltrotor of our new design having rotors in a flight position;

FIG. 8 is a bottom view thereof;

FIG. 9 is a port side elevation view thereof;

FIG. 10 is a starboard side elevation view thereof;

FIG. 11 is a front elevation view thereof;

FIG. 12 is a rear elevation view thereof; and,

FIG. 13 is a perspective view thereof. 

The ornamental design for the quad tiltrotor, as shown and described. 